458 lines
13 KiB
C
458 lines
13 KiB
C
/*
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* Copyright (C) 2010-2011 Mamadou Diop.
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*
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* Contact: Mamadou Diop <diopmamadou(at)doubango.org>
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*
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* This file is part of Open Source Doubango Framework.
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*
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* DOUBANGO is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* DOUBANGO is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with DOUBANGO.
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*
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*/
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/**@file tdav_consumer_dsound.c
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* @brief Microsoft DirectSound consumer.
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*
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* @author Mamadou Diop <diopmamadou(at)doubango.org>
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*/
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#include "tinydav/audio/directsound/tdav_consumer_dsound.h"
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#if HAVE_DSOUND_H
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#if defined(_MSC_VER)
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# pragma comment(lib, "dsound.lib")
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// # pragma comment(lib, "dxguid.lib")
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#endif
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#include "tsk_string.h"
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#include "tsk_thread.h"
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#include "tsk_memory.h"
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#include "tsk_debug.h"
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#include <initguid.h>
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#include <dsound.h>
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extern void tdav_win32_print_error(const char* func, HRESULT hr);
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#if !defined(TDAV_DSOUND_CONSUMER_NOTIF_POS_COUNT)
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# define TDAV_DSOUND_CONSUMER_NOTIF_POS_COUNT 20
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#endif /* TDAV_DSOUND_CONSUMER_NOTIF_POS_COUNT */
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typedef struct tdav_consumer_dsound_s
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{
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TDAV_DECLARE_CONSUMER_AUDIO;
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tsk_bool_t started;
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tsk_size_t bytes_per_notif_size;
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uint8_t* bytes_per_notif_ptr;
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tsk_thread_handle_t* tid[1];
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LPDIRECTSOUND device;
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LPDIRECTSOUNDBUFFER primaryBuffer;
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LPDIRECTSOUNDBUFFER secondaryBuffer;
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HANDLE notifEvents[TDAV_DSOUND_CONSUMER_NOTIF_POS_COUNT];
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}
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tdav_consumer_dsound_t;
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static _inline int32_t __convert_volume(int32_t volume)
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{
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static const int32_t __step = (DSBVOLUME_MAX - DSBVOLUME_MIN) / 100;
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return (volume * __step) + DSBVOLUME_MIN;
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}
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static void* TSK_STDCALL _tdav_consumer_dsound_playback_thread(void *param)
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{
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tdav_consumer_dsound_t* dsound = (tdav_consumer_dsound_t*)param;
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HRESULT hr;
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LPVOID lpvAudio1, lpvAudio2;
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DWORD dwBytesAudio1, dwBytesAudio2, dwEvent;
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static const DWORD dwWriteCursor = 0;
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tsk_size_t out_size;
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TSK_DEBUG_INFO("_tdav_consumer_dsound_playback_thread -- START");
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SetThreadPriority(GetCurrentThread(), THREAD_PRIORITY_HIGHEST);
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while (dsound->started) {
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dwEvent = WaitForMultipleObjects(TDAV_DSOUND_CONSUMER_NOTIF_POS_COUNT, dsound->notifEvents, FALSE, INFINITE);
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if (!dsound->started) {
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break;
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}
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// lock
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hr = IDirectSoundBuffer_Lock(
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dsound->secondaryBuffer,
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dwWriteCursor/* Ignored because of DSBLOCK_FROMWRITECURSOR */,
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dsound->bytes_per_notif_size,
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&lpvAudio1, &dwBytesAudio1,
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&lpvAudio2, &dwBytesAudio2,
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DSBLOCK_FROMWRITECURSOR);
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if (hr != DS_OK) {
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tdav_win32_print_error("IDirectSoundBuffer_Lock", hr);
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goto next;
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}
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out_size = tdav_consumer_audio_get(TDAV_CONSUMER_AUDIO(dsound), dsound->bytes_per_notif_ptr, dsound->bytes_per_notif_size);
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if (out_size < dsound->bytes_per_notif_size) {
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// fill with silence
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memset(&dsound->bytes_per_notif_ptr[out_size], 0, (dsound->bytes_per_notif_size - out_size));
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}
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if ((dwBytesAudio1 + dwBytesAudio2) == dsound->bytes_per_notif_size) {
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memcpy(lpvAudio1, dsound->bytes_per_notif_ptr, dwBytesAudio1);
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if (lpvAudio2 && dwBytesAudio2) {
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memcpy(lpvAudio2, &dsound->bytes_per_notif_ptr[dwBytesAudio1], dwBytesAudio2);
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}
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}
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else {
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TSK_DEBUG_ERROR("Not expected: %d+%d#%d", dwBytesAudio1, dwBytesAudio2, dsound->bytes_per_notif_size);
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}
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#if 0
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memset(lpvAudio1, rand(), dwBytesAudio1);
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#endif
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// unlock
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if ((hr = IDirectSoundBuffer_Unlock(dsound->secondaryBuffer, lpvAudio1, dwBytesAudio1, lpvAudio2, dwBytesAudio2)) != DS_OK) {
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tdav_win32_print_error("IDirectSoundBuffer_UnLock", hr);
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goto next;
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}
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next:
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tdav_consumer_audio_tick(TDAV_CONSUMER_AUDIO(dsound));
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}
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TSK_DEBUG_INFO("_tdav_consumer_dsound_playback_thread -- STOP");
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return tsk_null;
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}
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static int _tdav_consumer_dsound_unprepare(tdav_consumer_dsound_t *dsound)
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{
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if(dsound){
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tsk_size_t i;
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if(dsound->primaryBuffer){
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IDirectSoundBuffer_Release(dsound->primaryBuffer);
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dsound->primaryBuffer = NULL;
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}
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if(dsound->secondaryBuffer){
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IDirectSoundBuffer_Release(dsound->secondaryBuffer);
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dsound->secondaryBuffer = NULL;
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}
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if(dsound->device){
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IDirectSound_Release(dsound->device);
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dsound->device = NULL;
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}
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for(i = 0; i<sizeof(dsound->notifEvents)/sizeof(dsound->notifEvents[0]); i++){
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if(dsound->notifEvents[i]){
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CloseHandle(dsound->notifEvents[i]);
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dsound->notifEvents[i] = NULL;
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}
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}
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}
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return 0;
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}
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/* ============ Media Consumer Interface ================= */
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static int tdav_consumer_dsound_set(tmedia_consumer_t* self, const tmedia_param_t* param)
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{
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tdav_consumer_dsound_t* dsound = (tdav_consumer_dsound_t*)self;
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int ret = tdav_consumer_audio_set(TDAV_CONSUMER_AUDIO(self), param);
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if(ret == 0){
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if(dsound->secondaryBuffer && tsk_striequals(param->key, "volume")){
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if(IDirectSoundBuffer_SetVolume(dsound->secondaryBuffer, __convert_volume(TMEDIA_CONSUMER(self)->audio.volume)) != DS_OK){
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TSK_DEBUG_ERROR("IDirectSoundBuffer_SetVolume() failed");
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ret = -1;
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}
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}
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}
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return ret;
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}
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static int tdav_consumer_dsound_prepare(tmedia_consumer_t* self, const tmedia_codec_t* codec)
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{
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HRESULT hr;
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HWND hWnd;
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WAVEFORMATEX wfx = {0};
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DSBUFFERDESC dsbd = {0};
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tdav_consumer_dsound_t* dsound = (tdav_consumer_dsound_t*)self;
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if(!dsound){
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TSK_DEBUG_ERROR("Invalid parameter");
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return -1;
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}
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if(dsound->device || dsound->primaryBuffer || dsound->secondaryBuffer){
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TSK_DEBUG_ERROR("Consumer already prepared");
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return -2;
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}
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TMEDIA_CONSUMER(dsound)->audio.ptime = TMEDIA_CODEC_PTIME_AUDIO_DECODING(codec);
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TMEDIA_CONSUMER(dsound)->audio.in.channels = TMEDIA_CODEC_CHANNELS_AUDIO_DECODING(codec);
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TMEDIA_CONSUMER(dsound)->audio.in.rate = TMEDIA_CODEC_RATE_DECODING(codec);
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#if 0
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TMEDIA_CONSUMER(dsound)->audio.out.rate = 48000;
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TMEDIA_CONSUMER(dsound)->audio.out.channels = 2;
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#endif
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/* Create sound device */
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if((hr = DirectSoundCreate(NULL, &dsound->device, NULL) != DS_OK)){
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tdav_win32_print_error("DirectSoundCreate", hr);
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return -3;
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}
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/* Set CooperativeLevel */
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if((hWnd = GetForegroundWindow()) || (hWnd = GetDesktopWindow()) || (hWnd = GetConsoleWindow())){
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if((hr = IDirectSound_SetCooperativeLevel(dsound->device, hWnd, DSSCL_PRIORITY)) != DS_OK){
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tdav_win32_print_error("IDirectSound_SetCooperativeLevel", hr);
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return -2;
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}
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}
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/* Creates the primary buffer and apply format */
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wfx.wFormatTag = WAVE_FORMAT_PCM;
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wfx.nChannels = TMEDIA_CONSUMER(dsound)->audio.out.channels ? TMEDIA_CONSUMER(dsound)->audio.out.channels : TMEDIA_CONSUMER(dsound)->audio.in.channels;
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wfx.nSamplesPerSec = TMEDIA_CONSUMER(dsound)->audio.out.rate ? TMEDIA_CONSUMER(dsound)->audio.out.rate : TMEDIA_CONSUMER(dsound)->audio.in.rate;
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wfx.wBitsPerSample = TMEDIA_CONSUMER(dsound)->audio.bits_per_sample;
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wfx.nBlockAlign = (wfx.nChannels * wfx.wBitsPerSample/8);
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wfx.nAvgBytesPerSec = (wfx.nSamplesPerSec * wfx.nBlockAlign);
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/* Average bytes (count) for each notification */
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dsound->bytes_per_notif_size = ((wfx.nAvgBytesPerSec * TMEDIA_CONSUMER(dsound)->audio.ptime)/1000);
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if(!(dsound->bytes_per_notif_ptr = tsk_realloc(dsound->bytes_per_notif_ptr, dsound->bytes_per_notif_size))){
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TSK_DEBUG_ERROR("Failed to allocate buffer with size = %u", dsound->bytes_per_notif_size);
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return -3;
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}
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dsbd.dwSize = sizeof(DSBUFFERDESC);
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dsbd.dwFlags = DSBCAPS_PRIMARYBUFFER;
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dsbd.dwBufferBytes = 0;
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dsbd.lpwfxFormat = NULL;
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if((hr = IDirectSound_CreateSoundBuffer(dsound->device, &dsbd, &dsound->primaryBuffer, NULL)) != DS_OK){
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tdav_win32_print_error("IDirectSound_CreateSoundBuffer", hr);
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return -4;
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}
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if((hr = IDirectSoundBuffer_SetFormat(dsound->primaryBuffer, &wfx)) != DS_OK){
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tdav_win32_print_error("IDirectSoundBuffer_SetFormat", hr);
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return -5;
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}
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/* Creates the secondary buffer and apply format */
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dsbd.dwFlags = (DSBCAPS_CTRLPOSITIONNOTIFY | DSBCAPS_GLOBALFOCUS | DSBCAPS_CTRLVOLUME);
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dsbd.dwBufferBytes = (TDAV_DSOUND_CONSUMER_NOTIF_POS_COUNT * dsound->bytes_per_notif_size);
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dsbd.lpwfxFormat = &wfx;
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if((hr = IDirectSound_CreateSoundBuffer(dsound->device, &dsbd, &dsound->secondaryBuffer, NULL)) != DS_OK){
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tdav_win32_print_error("IDirectSound_CreateSoundBuffer", hr);
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return -6;
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}
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/* Set Volume */
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if(IDirectSoundBuffer_SetVolume(dsound->secondaryBuffer, __convert_volume(TMEDIA_CONSUMER(self)->audio.volume)) != DS_OK){
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TSK_DEBUG_ERROR("IDirectSoundBuffer_SetVolume() failed");
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}
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return 0;
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}
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static int tdav_consumer_dsound_start(tmedia_consumer_t* self)
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{
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tdav_consumer_dsound_t* dsound = (tdav_consumer_dsound_t*)self;
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tsk_size_t i;
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HRESULT hr;
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LPDIRECTSOUNDNOTIFY lpDSBNotify;
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DSBPOSITIONNOTIFY pPosNotify[TDAV_DSOUND_CONSUMER_NOTIF_POS_COUNT] = {0};
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static DWORD dwMajorVersion = -1;
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// Get OS version
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if(dwMajorVersion == -1){
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OSVERSIONINFO osvi;
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ZeroMemory(&osvi, sizeof(OSVERSIONINFO));
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osvi.dwOSVersionInfoSize = sizeof(OSVERSIONINFO);
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GetVersionEx(&osvi);
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dwMajorVersion = osvi.dwMajorVersion;
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}
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if(!dsound){
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TSK_DEBUG_ERROR("Invalid parameter");
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return -1;
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}
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if(!dsound->device || !dsound->primaryBuffer || !dsound->secondaryBuffer){
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TSK_DEBUG_ERROR("Consumer not prepared");
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return -2;
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}
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if(dsound->started){
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return 0;
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}
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if((hr = IDirectSoundBuffer_QueryInterface(dsound->secondaryBuffer, &IID_IDirectSoundNotify, (LPVOID*)&lpDSBNotify)) != DS_OK){
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tdav_win32_print_error("IDirectSoundBuffer_QueryInterface", hr);
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return -3;
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}
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/* Events associated to notification points */
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for(i = 0; i<TDAV_DSOUND_CONSUMER_NOTIF_POS_COUNT; i++){
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dsound->notifEvents[i] = CreateEvent(NULL, FALSE, FALSE, NULL);
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// set notification point offset at the start of the buffer for Windows Vista and later and at the half of the buffer of XP and before
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pPosNotify[i].dwOffset = (dsound->bytes_per_notif_size * i) + (dwMajorVersion > 5 ? (dsound->bytes_per_notif_size >> 1) : 1);
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pPosNotify[i].hEventNotify = dsound->notifEvents[i];
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}
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if((hr = IDirectSoundNotify_SetNotificationPositions(lpDSBNotify, TDAV_DSOUND_CONSUMER_NOTIF_POS_COUNT, pPosNotify)) != DS_OK){
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IDirectSoundNotify_Release(lpDSBNotify);
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tdav_win32_print_error("IDirectSoundBuffer_QueryInterface", hr);
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return -4;
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}
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if((hr = IDirectSoundNotify_Release(lpDSBNotify))){
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tdav_win32_print_error("IDirectSoundNotify_Release", hr);
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}
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/* Start the buffer */
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if((hr = IDirectSoundBuffer_Play(dsound->secondaryBuffer, 0, 0, DSBPLAY_LOOPING)) != DS_OK){
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tdav_win32_print_error("IDirectSoundNotify_Release", hr);
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return -5;
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}
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/* start the reader thread */
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dsound->started = tsk_true;
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tsk_thread_create(&dsound->tid[0], _tdav_consumer_dsound_playback_thread, dsound);
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return 0;
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}
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static int tdav_consumer_dsound_consume(tmedia_consumer_t* self, const void* buffer, tsk_size_t size, const tsk_object_t* proto_hdr)
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{
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tdav_consumer_dsound_t* dsound = (tdav_consumer_dsound_t*)self;
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if(!dsound || !buffer || !size){
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TSK_DEBUG_ERROR("Invalid parameter");
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return -1;
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}
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/* buffer is already decoded */
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return tdav_consumer_audio_put(TDAV_CONSUMER_AUDIO(dsound), buffer, size, proto_hdr);
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}
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static int tdav_consumer_dsound_pause(tmedia_consumer_t* self)
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{
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return 0;
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}
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static int tdav_consumer_dsound_stop(tmedia_consumer_t* self)
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{
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tdav_consumer_dsound_t* dsound = (tdav_consumer_dsound_t*)self;
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HRESULT hr;
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if(!self){
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TSK_DEBUG_ERROR("Invalid parameter");
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return -1;
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}
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if(!dsound->started){
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return 0;
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}
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/* should be done here */
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dsound->started = tsk_false;
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/* stop thread */
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if(dsound->tid[0]){
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tsk_thread_join(&(dsound->tid[0]));
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}
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if((hr = IDirectSoundBuffer_Stop(dsound->secondaryBuffer)) != DS_OK){
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tdav_win32_print_error("IDirectSoundBuffer_Stop", hr);
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}
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if((hr = IDirectSoundBuffer_SetCurrentPosition(dsound->secondaryBuffer, 0)) != DS_OK){
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tdav_win32_print_error("IDirectSoundBuffer_SetCurrentPosition", hr);
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}
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// unprepare
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// will be prepared again before calling next start()
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_tdav_consumer_dsound_unprepare(dsound);
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return 0;
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}
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//
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// WaveAPI consumer object definition
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//
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/* constructor */
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static tsk_object_t* tdav_consumer_dsound_ctor(tsk_object_t * self, va_list * app)
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{
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tdav_consumer_dsound_t *consumer = self;
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if(consumer){
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/* init base */
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tdav_consumer_audio_init(TDAV_CONSUMER_AUDIO(consumer));
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/* init self */
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}
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return self;
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}
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/* destructor */
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static tsk_object_t* tdav_consumer_dsound_dtor(tsk_object_t * self)
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{
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tdav_consumer_dsound_t *dsound = self;
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if(dsound){
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/* stop */
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if(dsound->started){
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tdav_consumer_dsound_stop(self);
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}
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/* deinit base */
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tdav_consumer_audio_deinit(TDAV_CONSUMER_AUDIO(dsound));
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/* deinit self */
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_tdav_consumer_dsound_unprepare(dsound);
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TSK_FREE(dsound->bytes_per_notif_ptr);
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}
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return self;
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}
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/* object definition */
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static const tsk_object_def_t tdav_consumer_dsound_def_s =
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{
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sizeof(tdav_consumer_dsound_t),
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tdav_consumer_dsound_ctor,
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tdav_consumer_dsound_dtor,
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tdav_consumer_audio_cmp,
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};
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/* plugin definition*/
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static const tmedia_consumer_plugin_def_t tdav_consumer_dsound_plugin_def_s =
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{
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&tdav_consumer_dsound_def_s,
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tmedia_audio,
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"Microsoft DirectSound consumer",
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tdav_consumer_dsound_set,
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tdav_consumer_dsound_prepare,
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tdav_consumer_dsound_start,
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tdav_consumer_dsound_consume,
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tdav_consumer_dsound_pause,
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tdav_consumer_dsound_stop
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};
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const tmedia_consumer_plugin_def_t *tdav_consumer_dsound_plugin_def_t = &tdav_consumer_dsound_plugin_def_s;
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#endif /* HAVE_DSOUND_H */ |